(19)
(11) EP 1 314 001 A1

(12)

(43) Date of publication:
28.05.2003 Bulletin 2003/22

(21) Application number: 01963136.5

(22) Date of filing: 24.08.2001
(51) International Patent Classification (IPC)7: G01B 17/02, F16C 33/66, F16N 29/00, G01M 13/04, G01N 29/00
(86) International application number:
PCT/GB0103/800
(87) International publication number:
WO 0201/8872 (07.03.2002 Gazette 2002/10)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 29.08.2000 GB 0021114

(71) Applicants:
  • THE UNIVERSITY OF SHEFFIELD
    Sheffield S10 2TN (GB)
  • UNIVERSITY OF BRISTOL
    CliftonBristol BS8 1TH (GB)

(72) Inventors:
  • DWYER-JOYCE, Robert, Sean
    Calver,Hope Valley, S32 3XZ (GB)
  • DONOHOE, Cornelius, Joseph
    Sheffield S6 3RL (GB)
  • DRINKWATER, Bruce, Walton
    Bristol BS3 1TA (GB)

(74) Representative: Wardle, Callum Tarn 
Withers & RogersGoldings House,2 Hays Lane
London SE1 2HW
London SE1 2HW (GB)

   


(54) METHOD AND APPARATUS FOR DETERMINING THICKNESS OF A LUBRICANT FILM